Bristol vs Cardiff
Water quality comparison
According to TapWater.uk, Bristol scores 8.7/10 and Cardiff scores 9.5/10 for drinking water quality. Cardiff has the better water.
Cardiff has better water quality by 0.7 points
Key differences
Safety score
Cardiff scores 0.7 points higher than Bristol.
Contaminants flagged
Bristol has 1 issues flagged vs 0 in Cardiff.
Water supplier
Bristol is supplied by Bristol Water, while Cardiff uses Dŵr Cymru Welsh Water.
PFAS detection
PFAS detected in 2 areas in Bristol vs 0 areas in Cardiff.
Top concerns by city
Bristol
Ammonia1 area
Cardiff
No contaminants flagged
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